we have had terrible research in part because of the nra prevents good research. but the research we have does not suggest these things make a huge difference. we've had a big bill there 68. we had the brady bill, other bills, in general when you look at the broad survey of the research, it is very hard to see big differences. there are some areas where you do see differences, some of the magazines do reduce en masse killing. but the level of murders, it doesn't really change much. which think it is fertile to make progress, most gun violence is suicide. and a lot of those suicides are impusive. and if you can delay the people's access to guns by a week, you really can do potentially some good at preventing some suicides, especially senior citizens. so i think there are some possibilities. the danger there, again this is all problematic, most people kill themselves with guns, do it with handguns which are not really under discussion here. and so the social signs data i think is reasonably fond not that it doesn't work but it doesn't work a lot. >> what is your sen